transmit delay time of RTP packet

omer.tal jacklawi at
Sat Nov 14 21:38:37 UTC 2020

Well RTP header doesn't contain clock data, it only stores playback

You could use the header extension and store the UTC time on it. Then read
it on the client side. But if you're trying to measure latency you would
need both clocks to be synced.

For adding data to the RTP header extension you'll need to add a probe to
the src pad of the rtp payloader.

I've commented on a similar topic just 2 days ago so you can look at the
code I shared there.

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